Agence France-Presse: A key climate change bill now being considered by US Congress would only modestly raise annual energy costs for families, far less than some industry estimates, a federal study said. The bill for a typical household’s energy costs would increase 83 dollars per year by 2030, or an average of 23 cents per day, according to the estimate by the Energy Department’s Energy Information Administration (EIA). The EIA said the bill "increases energy prices, but effects on electricity and …